[Bug target/111522] New: Different code path for static initialization with flto

[malat at debian dot org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111522

            Bug ID: 111522
           Summary: Different code path for static initialization with
                    flto
           Product: gcc
           Version: 13.2.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: target
          Assignee: unassigned at gcc dot gnu.org
          Reporter: malat at debian dot org
  Target Milestone: ---

Created attachment 55962
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=55962&action=edit
c++ code

I am seeing a difference in behavior when using -flto. Consider the following:

% c++ -std=c++11  -g -O2  -o works lto.cc
% c++ -std=c++11  -g -O2 -flto -o fails lto.cc
% ./works&& echo "success"
success
% ./fails
zsh: illegal hardware instruction  ./fails

This a POWER8 system.